view tests/silenttestrunner.py @ 48814:e3c75d65d589 stable

tests: demonstrate that copy info in changeset gets lost on amend

When copy information is stored in changesets, it gets lost on
amend. We didn't notice that until now because our users at Google
have the config set to `compatibility`, which means copy information
is stored in both changeset and filelogs.

Differential Revision: https://phab.mercurial-scm.org/D12386

from __future__ import absolute_import, print_function
import os
import sys
import unittest


def main(modulename):
    '''run the tests found in module, printing nothing when all tests pass'''
    module = sys.modules[modulename]
    suite = unittest.defaultTestLoader.loadTestsFromModule(module)
    results = unittest.TestResult()
    suite.run(results)
    if results.errors or results.failures:
        for tc, exc in results.errors:
            print('ERROR:', tc)
            print()
            sys.stdout.write(exc)
        for tc, exc in results.failures:
            print('FAIL:', tc)
            print()
            sys.stdout.write(exc)
        sys.exit(1)


if os.environ.get('SILENT_BE_NOISY'):
    main = unittest.main